FR2239822A1 - - Google Patents

Info

Publication number
FR2239822A1
FR2239822A1 FR7425473A FR7425473A FR2239822A1 FR 2239822 A1 FR2239822 A1 FR 2239822A1 FR 7425473 A FR7425473 A FR 7425473A FR 7425473 A FR7425473 A FR 7425473A FR 2239822 A1 FR2239822 A1 FR 2239822A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7425473A
Other languages
French (fr)
Other versions
FR2239822B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2239822A1 publication Critical patent/FR2239822A1/fr
Application granted granted Critical
Publication of FR2239822B1 publication Critical patent/FR2239822B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/04—Recursive filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR7425473A 1973-08-01 1974-07-23 Expired FR2239822B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2338992A DE2338992C3 (en) 1973-08-01 1973-08-01 Digital filter for processing signals with very different signal levels

Publications (2)

Publication Number Publication Date
FR2239822A1 true FR2239822A1 (en) 1975-02-28
FR2239822B1 FR2239822B1 (en) 1976-10-22

Family

ID=5888592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425473A Expired FR2239822B1 (en) 1973-08-01 1974-07-23

Country Status (6)

Country Link
US (1) US3955193A (en)
DE (1) DE2338992C3 (en)
FR (1) FR2239822B1 (en)
GB (1) GB1463757A (en)
IT (1) IT1017754B (en)
NL (1) NL7409939A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5571316A (en) * 1978-11-24 1980-05-29 Hitachi Ltd Recursive digital filter
US4215242A (en) * 1978-12-07 1980-07-29 Norlin Industries, Inc. Reverberation system
US4467440A (en) * 1980-07-09 1984-08-21 Casio Computer Co., Ltd. Digital filter apparatus with resonance characteristics
US4366547A (en) * 1980-09-18 1982-12-28 Codex Corporation Digital filter with scaled tap coefficients
US4495591A (en) * 1981-02-27 1985-01-22 The Regeants Of The University Of California Pipelined digital filters
JPS58115379A (en) * 1981-12-29 1983-07-09 Fujitsu Ltd Phase-lock type receiver of hyperbolic navigation
GB8521378D0 (en) * 1985-08-28 1985-10-02 Plessey Co Plc Digital notch filter
DE69232734T2 (en) * 1991-05-29 2003-04-24 Pacific Microsonics, Inc. Improvements in hidden code side channels
JP3379501B2 (en) 1999-12-28 2003-02-24 日本電気株式会社 Variable gain digital filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1261918B (en) * 1966-12-02 1968-02-29 Telefunken Patent Amplifier for high-frequency electrical oscillations with circuit lines in stripline technology
US3370292A (en) * 1967-01-05 1968-02-20 Raytheon Co Digital canonical filter
US3543021A (en) * 1967-01-16 1970-11-24 Frederick Scarborough Sr Ultraviolet air sterilizer and ozone generator
US3797016A (en) * 1972-08-04 1974-03-12 Westinghouse Electric Corp Digital moving target indicator radar system incorporating modulo-n components
US3852742A (en) * 1973-01-08 1974-12-03 Us Army Digital mti canceller apparatus using initialization

Also Published As

Publication number Publication date
DE2338992C3 (en) 1978-05-03
DE2338992A1 (en) 1975-02-13
GB1463757A (en) 1977-02-09
US3955193A (en) 1976-05-04
FR2239822B1 (en) 1976-10-22
NL7409939A (en) 1975-02-04
IT1017754B (en) 1977-08-10
DE2338992B2 (en) 1977-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse